Which app is best for tracking TRT?
The best TRT app is the one that tracks what you actually need: injections and site rotation, lab results against reference ranges, how you feel, and a clean report for your prescriber, with a privacy policy you’re comfortable with. No single app leads on every point. We checked nine TRT tracking apps on the US App Store on October 21, 2026, and compared them on the criteria below.
TRTracker is our app, and we say so wherever it appears. For what an estimated level curve can and can’t tell you, see our guide to levels on TRT.
A disclosure: we made this site to explain TRT and to offer TRTracker for free. This page has no affiliate links.
We’ve tried to be fair: every fact about every app, ours included, comes from its own App Store listing on that date, and gaps are marked “not stated” rather than “no”. We haven’t tested the other apps hands-on, and we don’t judge the accuracy of any app’s estimates or AI features.
Our nine aren’t a complete list: we chose apps that describe TRT tracking as a main use, and the App Store has many more, with new ones appearing weekly. TRTracker’s own listing says it is for personal health tracking only and does not provide medical advice, and its level curve is an estimate.
Prices, ratings and privacy labels change, often weekly for newer apps. Check the listing before you download.
What should a TRT tracking app do?
A good app makes it easy to keep the record your prescriber needs. The Endocrine Society asks prescribers to monitor symptoms, side effects, testosterone and hematocrit (the share of your blood made of red cells) after you start. The American Urological Association (AUA) says good care means accurate testing plus proper monitoring on treatment.
An app that helps you bring clean, dated information to those checks is doing its job.
These are the criteria we used:
- TRT focus: built for testosterone therapy, or a peptide or bodybuilding tracker with a TRT tag.
- Injection log and site rotation: date, time and site, ideally with a body map that suggests the next site. Our guide to testosterone injection sites explains why rotation matters.
- Estimated level curve: whether the app draws one, and whether it says it’s an estimate.
- Lab tracking: which markers, with reference ranges, and whether you can import a report or must type values.
- Symptoms and check-ins: energy, mood, libido and sleep, linked to your injection timing.
- Reminders.
- Clinician report: a PDF or export to bring to appointments.
- Privacy: the App Privacy label, whether an account is needed, where data lives.
- Price: free, free tier limits, subscription or lifetime.
- Track record: ratings and how many, first release, last update.
How do the TRT apps compare?
All facts below are from each app’s US App Store listing on October 21, 2026, linked from the app names. TRTracker is our app and is marked “(ours)” in every table. “Not stated” means the listing doesn’t mention it, not that the app can’t do it.
| App | Ratings (count) | Price on the store | Level estimate | Labs tracked | Clinician report |
|---|---|---|---|---|---|
| TRTracker (ours) | 3.0 (1) | Free, no in-app purchases listed | Yes, estimated from pharmacokinetic modeling (in its screenshots) | Yes, AI photo import | |
| TRT Tracker: Injections log | 4.5 (37) | Free; subscriptions $3.99 a week to $24.99 a year | Not stated | Yes | Not stated |
| TTracker | 3.0 (2) | Free, no in-app purchases listed | Yes, estimated peaks and troughs | Yes | Doctor summary |
| Himcules | 5.0 (11) | Free, no in-app purchases listed; premium tier “coming” | Yes, per ester | Not stated | |
| My TRT App | 5.0 (1) | Free tier; Pro $7.99 a month to $99.99 a year | Yes | Yes, photo or PDF import | Not stated |
| OptiPin | 4.8 (176) | First compound free; $4.99 a month to $39.99 a year | Yes | Yes, photo or Apple Health import | CSV export |
| TRT Vault | 5.0 (1) | Free download; Pro subscription required ($9.99 or $29.99 for the annual plan) | Not stated | Yes, 10 markers | Plain-text export |
| TRT Plus | 4.1 (20) | Free; Pro lifetime $29.99 | Yes | Yes, photo import | Not stated |
| TLevels | 5.0 (11) | Free; Pro $24.99 a month or $149.99 a year | Yes | Yes, PDF import | Not stated |
| App | Site rotation | Check-ins | Reminders | Built for |
|---|---|---|---|---|
| TRTracker (ours) | Recommends the next site | Mood, energy, libido, sleep, weight, blood pressure | Yes | TRT |
| TRT Tracker: Injections log | Body map | Symptoms and side effects | Yes | TRT, including gels, patches and pellets |
| TTracker | Not stated | Energy, mood, libido, sleep | Yes | TRT |
| Himcules | 14 sites | Energy, mood, libido, sleep | Yes | TRT injections |
| My TRT App | 11-site body map | Energy, mood, libido, sleep | Yes | TRT and supplements |
| OptiPin | Auto-advancing site map | Symptoms | Yes | TRT, peptides, GLP-1 and more |
| TRT Vault | 9 sites | Optional check-in | Not stated | TRT |
| TRT Plus | Rotation planner | Not stated | Reorder alerts | TRT and other protocols |
| TLevels | Yes | Energy, mood, libido, sleep and more | Not stated | TRT and peptides |
Ratings need context. Most of these apps were first released in 2025 or 2026, and a 5.0 from one or two reviews says very little. OptiPin had the most ratings of the TRT apps we checked, 176, and TRT Tracker: Injections log had 37.
What does each app do best?
Based only on the listings, here’s where each one stands out:
- TRTracker (ours): free with no in-app purchases listed, an estimated level curve, AI lab photo import with reference ranges, daily check-ins, Apple Health, and a PDF report for your prescriber. It’s new, with one rating.
- TRT Tracker: Injections log: covers injections, gels, patches and pellets, with a body map and lab charts, and its label says it collects no data.
- TTracker: no in-app purchases listed, estimated peaks and troughs, labs with ranges and a doctor summary; its label also says no data collected.
- Himcules: focused on injections, with 14 sites, level curves per ester, widgets and a PDF export; labs aren’t mentioned in its listing.
- My TRT App: imports lab photos or PDFs and covers 55-plus markers; the free tier is limited to one vial and one supplement, and shows ads.
- OptiPin: the most-rated app here, with no account and optional iCloud backup, but it’s built for peptides and other compounds as well as TRT.
- TRT Vault: no account and no cloud copy, ten markers charted with reference ranges; a Pro subscription is required.
- TRT Plus and TLevels: detailed level modeling, and both serve other protocols as well; see the dosing note below.
Apps built mainly for peptides, or for steroid cycles, also appear in searches for “TRT app”. They can log testosterone, but they’re designed around other uses. If you’re on prescribed TRT, an app built for it will usually fit your routine better.
Which TRT apps keep your data private?
Every App Store listing has an App Privacy label, written by the developer and shown by Apple. It’s the quickest way to compare apps. But it lists categories of data, not exactly how each one is used.
| Privacy label (as listed) | Apps |
|---|---|
| Data Not Collected | TRT Tracker: Injections log, TTracker, TRT Plus |
| Data Not Linked to You only | OptiPin (usage data) |
| Data Linked to You | TRTracker (ours): health and fitness, purchases, contact info, user content, identifiers · Himcules: contact info, identifiers, usage data · My TRT App: contact info · TLevels: purchases |
| Data Used to Track You | TRT Vault: identifiers |
We’re listing ours as it is. TRTracker uses an account and cloud processing, and its label says data is “Linked to You”. Its listing says data is encrypted in transit and at rest, and that you can delete your account and all data.
Some listings describe their storage in words too. TRT Vault and TLevels say there’s no account and no cloud; OptiPin says no account, with optional encrypted iCloud backup; Himcules says data is stored on the device and backed up to iCloud. If privacy matters most to you, read both the label and the description.
Do TRT apps show your testosterone level?
Several draw an estimated curve from your injection dates and the drug’s known behavior.
The half-life is the time it takes for half the drug to clear. Testosterone cypionate, for example, has a half-life of about eight days after a shot into muscle, according to its label. So levels rise after each shot and fall until the next.
An estimate is a model of an average person, not a measurement of you. It can’t see your own production, your SHBG (the protein that carries testosterone in your blood), your lab’s method or day-to-day variation.
It’s useful for context: whether a blood draw landed near a peak or a trough, or after a late injection. Our other guides explain the curve and what each kind of draw shows. You can try the same kind of estimate in our free testosterone level calculator.
For decisions, the lab result is what counts. Your total testosterone and hematocrit results, with the time of each draw, are what your prescriber will use.
Can you export a log for your prescriber?
Some apps make it easy. On the listings, TRTracker and Himcules offer a PDF report, TTracker a one-page doctor summary, OptiPin a CSV export and TRT Vault a plain-text export. The others don’t mention an export.
A report is only as good as what goes into it, so check what the export includes before you rely on it: injection history, lab results with dates, and check-ins are the parts prescribers tend to look at.
Whatever you use, the useful details are the same. Our guide to preparing for a TRT appointment lists them: each injection’s date, time and site; each blood test’s date, time and days since your last injection; and a weekly note on how you feel. Bring the lab reports themselves too, with their reference ranges.
Why are there so many “TRT Tracker” apps?
Because the name describes the job. A US App Store search for “TRT tracker” on October 21, 2026 returned 15 apps with “TRT Tracker” in their name, from 14 developers, plus many newer TRT apps with few or no ratings. Three of them are in our table.
To avoid mix-ups: TRTracker (one word) is our free app. TRT Tracker: Injections log is a different app by a different developer, and it’s one of the two apps in our table with the most ratings. Always check the developer name on the listing.
Do TRT apps give dosing advice?
They shouldn’t, and you shouldn’t take any. Your dose and schedule are your prescriber’s decision.
Several listings describe features around schedules or protocols: TRT Plus lists a “Frequency Tuning” feature that suggests schedules, TLevels lists an AI assistant that covers dosing protocols for peptides, and TRTracker’s own listing describes AI-powered insights with a protocol assessment. We haven’t tested any of them. Treat anything about changing your dose or schedule, in any app, as a question for your prescriber, not an instruction.
The same goes for lab interpretation. An app can show a result against the lab’s reference range; whether to act on it is a conversation with your prescriber. Our TRT blood work schedule explains when results are usually checked.
Do you need an app at all?
No. A notebook or a spreadsheet works if you record the right things consistently. Apps make it faster, add reminders, and draw the charts for you, which is why many people prefer them.
If you try one, give it a few weeks before switching, and keep your data portable: an app that exports your history protects you if you change apps or prescribers. Whichever you choose, bring the record to every appointment.
What should you ask your prescriber about tracking?
- Which details do you want me to log between visits?
- When should my blood be drawn, relative to my injections or applications?
- Is an estimated level curve useful to you, or only lab results?
- Which format is easiest for you to read: a PDF, a printout, or the lab reports themselves?